The book explores the fascinating world of supersonics and its diverse applications across various fields, including sound, life sciences, chemistry, and technology. Beginning with the basics of sound and its audible limits, it delves into the history and development of supersonic technologies, highlighting their roles in enhancing human life. Key chapters cover the impact of supersonic waves on living creatures, their use in scientific fields like chemistry and medicine, and their contribution to industries such as manufacturing and environmental protection. Additionally, the book examines the practical uses of supersonic sound in areas like inspection, diagnosis, and earth structure investigation, concluding with the innovative advancements of the supersonic microscope. Throughout, the book emphasizes how supersonic waves are transforming modern science and industry, offering solutions to complex problems and improving the quality of life.

Translated From The Russian By David Sobolev

Designed By N. Grishin

CONTENTS

Introduction 7

Chapter 1. The World of Sounds 9
First, About Audible Sounds 11
Competing Sounds 13
Limits of Audibility 17
Supersonic Sounds 18

Chapter 2. The First Applications of Supersonics 21
Many Years Ago 21
When France Was in Danger 24
Sound and Light 27
Wonderful Crystals 30
To Nature's Aid 33
How to Make a Supersonic Generator 37
How to "Hear" Inaudible Sounds 39
Why Do Transformers Hum? 41
A Reliable Scout 47
A Mechanical Watchman 49
The Supersonic Echo Sounder 52
Supersonic Waves Become Visible 59

Chapter 3. Supersonics and Life Creatures 59
The Riddle of Bats 62
Along the Path Pointed Out by Nature 64
Action of Supersonics on Simplest Living Creatures 69
What Happened to the Fish? 73

Chapter 4. Sound and Chemistry 73
The First Steps 75
Electrical Charges and Bubbles 79
Giant Molecules 83
Duality of the Properties of Inaudible Sounds 85
A Mysterious Glow 87
Supersonics Substitutes Time 91

Chapter 5. One of Man's Helpers 92
Sounds that Crush 94
Supersonics Saves Human Lives 95
Science and Practice 99
Washing Woollens with Supersonics 102
The Supersonic Soldering Iron 104
Purifying the Air with Supersonics 107
A New Supersonic Source 109
Supersonics Helps to Intensify Production 112
Fluidization 119

Chapter 6. Supersonic Sound as Inspector 120
Through Sounding 123
Reflecting Defectoscope 125
A Mechanical Memory 129
Overcoming Obstacles 130
Supersonic Diagnosis 133
Saving Human Lives 136
How Supersonics Helps to Investigate the Structure of the Earth 138

Chapter 7. The Supersonic Microscope 141
Supersonic Optics 141
Design of the Supersonic Microscope 144
A New Design 147
Practical Application of the Supersonic Microscope 149

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